Why women or why not men? sex and autoimmune diseases

The epidemiology of autoimmune diseases is characterized by a significant sex dimorphism, with the majority of disorders being more prevalent in women. In a parallel fashion, the immune system shows sex-dependent differences in number and functions of both its innate and its adaptive arms, with wome...

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Main Authors: Gilberto Cincinelli, Elena Generali, Rajkiran Dudam, Vinod Ravindran, Carlo Selmi
Format: Article
Language:English
Published: SAGE Publishing 2018-01-01
Series:Indian Journal of Rheumatology
Subjects:
Online Access:http://www.indianjrheumatol.com/article.asp?issn=0973-3698;year=2018;volume=13;issue=1;spage=44;epage=50;aulast=Cincinelli
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author Gilberto Cincinelli
Elena Generali
Rajkiran Dudam
Vinod Ravindran
Carlo Selmi
author_facet Gilberto Cincinelli
Elena Generali
Rajkiran Dudam
Vinod Ravindran
Carlo Selmi
author_sort Gilberto Cincinelli
collection DOAJ
description The epidemiology of autoimmune diseases is characterized by a significant sex dimorphism, with the majority of disorders being more prevalent in women. In a parallel fashion, the immune system shows sex-dependent differences in number and functions of both its innate and its adaptive arms, with women capable to mount a more vigorous response compared to men. This enhanced reactivity may contribute to the stronger defense against infectious agents and to the reasons for which, on the other hand, women are more prone to develop autoimmune diseases. Several factors have been studied and implied to play a role for such an imbalance, most notably sex chromosomes, sex hormones, and gut microbiota differences between sexes. Experimental studies on rodents demonstrate that sex chromosome abnormalities, alterations of gut microbiota composition, and fluctuations of sex hormone concentrations decrease the susceptibility to autoimmunity in female probes or increase it in the male counterparts. Nevertheless, it would be reductive to consider sex only as a risk factor; based on clinical experience, autoimmune disease onset and course differ between men and women in terms of disease progression and severity. Eventually, research has focused on sex as a determinant of antirheumatic treatment response with promising evidence for a further personalized management of patients with autoimmune diseases.
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series Indian Journal of Rheumatology
spelling doaj-art-a1baa4d2d89e4d5390d4d6b5866122472025-02-03T00:25:38ZengSAGE PublishingIndian Journal of Rheumatology0973-36980973-37012018-01-01131445010.4103/injr.injr_1_18Why women or why not men? sex and autoimmune diseasesGilberto CincinelliElena GeneraliRajkiran DudamVinod RavindranCarlo SelmiThe epidemiology of autoimmune diseases is characterized by a significant sex dimorphism, with the majority of disorders being more prevalent in women. In a parallel fashion, the immune system shows sex-dependent differences in number and functions of both its innate and its adaptive arms, with women capable to mount a more vigorous response compared to men. This enhanced reactivity may contribute to the stronger defense against infectious agents and to the reasons for which, on the other hand, women are more prone to develop autoimmune diseases. Several factors have been studied and implied to play a role for such an imbalance, most notably sex chromosomes, sex hormones, and gut microbiota differences between sexes. Experimental studies on rodents demonstrate that sex chromosome abnormalities, alterations of gut microbiota composition, and fluctuations of sex hormone concentrations decrease the susceptibility to autoimmunity in female probes or increase it in the male counterparts. Nevertheless, it would be reductive to consider sex only as a risk factor; based on clinical experience, autoimmune disease onset and course differ between men and women in terms of disease progression and severity. Eventually, research has focused on sex as a determinant of antirheumatic treatment response with promising evidence for a further personalized management of patients with autoimmune diseases.http://www.indianjrheumatol.com/article.asp?issn=0973-3698;year=2018;volume=13;issue=1;spage=44;epage=50;aulast=CincinelliAutoimmunityepidemiologygender medicine
spellingShingle Gilberto Cincinelli
Elena Generali
Rajkiran Dudam
Vinod Ravindran
Carlo Selmi
Why women or why not men? sex and autoimmune diseases
Indian Journal of Rheumatology
Autoimmunity
epidemiology
gender medicine
title Why women or why not men? sex and autoimmune diseases
title_full Why women or why not men? sex and autoimmune diseases
title_fullStr Why women or why not men? sex and autoimmune diseases
title_full_unstemmed Why women or why not men? sex and autoimmune diseases
title_short Why women or why not men? sex and autoimmune diseases
title_sort why women or why not men sex and autoimmune diseases
topic Autoimmunity
epidemiology
gender medicine
url http://www.indianjrheumatol.com/article.asp?issn=0973-3698;year=2018;volume=13;issue=1;spage=44;epage=50;aulast=Cincinelli
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AT rajkirandudam whywomenorwhynotmensexandautoimmunediseases
AT vinodravindran whywomenorwhynotmensexandautoimmunediseases
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